It seemed a good opportunity to play with the whole displacement/representation or pervasive media, alongside the creative imagination and call to respond that lies at the heart of the Hunter Gatherer project. I don't know whether those messages made it all the way across the Atlantic - time will tell, as the symposium delegates were extended an invitation to take part. To envisage and call into being the magical creature of the postdigital encounter, with a unique cache key just for the event.
Of course there isn't any treasure on the cache's web-page yet... until people start to respond. This is a two-way process, the key unlocks the treasure, but the treasure's only there when the messages are sent. So the first step is to hunt the cache. Then notice where your attention lies, note the moment, with all its ambiguity, share it openly, (with a little cache key attached so we know what you were looking for!), and then.... the magic begins, the treasure transforms, key opens the door, and then there is more.... the story begins to grow.
Thanks to Charlotte for not only organising all sorts around the day, but also for acting as the magical creature to control the power point and films for me over on the other side.